/// <summary>
/// 此函数只能在从库数据库连接中进行
/// </summary>
/// <param name="action"></param>
public static void ExecuteDataReaderSlave(Action <DbDataReader> action, CommandType commandType, string commandText, Action <DbCommand> onExecuted = null, params DbParameter[] commandParameters)
{
void Transfer(Exception ex)
{
if (InstanceSlave != null && InstanceSlave.Pool.ConnectionList.Count > 0)
{
InstanceSlave.ExecuteDataReader(action, commandType, commandText, onExecuted, commandParameters);
}
else
{
InstanceMaster.ExecuteDataReader(action, commandType, commandText, onExecuted, commandParameters);
}
}
try
{
Transfer(null);
}
catch (System.TimeoutException te)
{
WriteLog(te);
Transfer(te);
}
catch (System.Net.Sockets.SocketException ex)
{
WriteLog(ex);
Transfer(ex);
}
}
/// <summary>
/// 此函数只能在读写数据库连接中进行
/// </summary>
/// <param name="action"></param>
public static void ExecuteDataReader(Action <DbDataReader> action, CommandType commandType, string commandText, Action <DbCommand> onExecuted = null, params DbParameter[] commandParameters)
{
InstanceMaster.ExecuteDataReader(action, commandType, commandText, onExecuted, commandParameters);
}
/// <summary>
/// 此函数只能在读写数据库连接中进行
/// </summary>
/// <param name="action"></param>
public static void ExecuteDataReader(Action <NpgsqlDataReader> action, CommandType commandType, string commandText, params NpgsqlParameter[] commandParameters)
{
InstanceMaster.ExecuteDataReader(action, commandType, commandText, commandParameters);
}